Add RegisterMountPointProvider and TestMountPointProvider for testing

webkit/fileapi/test_mount_point_provider.cc

+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "webkit/fileapi/test_mount_point_provider.h"
+
+#include <set>
+#include <string>
+#include <vector>
+
+#include "base/file_util.h"
+#include "base/sequenced_task_runner.h"
+#include "webkit/fileapi/file_system_file_reader.h"
+#include "webkit/fileapi/file_system_operation.h"
+#include "webkit/fileapi/file_system_quota_util.h"
+#include "webkit/fileapi/local_file_util.h"
+#include "webkit/fileapi/native_file_util.h"
+#include "webkit/fileapi/file_system_util.h"
+#include "webkit/quota/quota_manager.h"
+
+namespace fileapi {
+
+namespace {
+
+// This only supports single origin.
+class TestFileSystemQuotaUtil : public FileSystemQuotaUtil {
+ public:
+  explicit TestFileSystemQuotaUtil(base::SequencedTaskRunner* task_runner)
+      : FileSystemQuotaUtil(task_runner), usage_(0) {}
+  virtual ~TestFileSystemQuotaUtil() {}
+
+  virtual void GetOriginsForTypeOnFileThread(
+      FileSystemType type,
+      std::set<GURL>* origins) OVERRIDE {
+    NOTREACHED();
+  }
+  virtual void GetOriginsForHostOnFileThread(
+      FileSystemType type,
+      const std::string& host,
+      std::set<GURL>* origins) OVERRIDE {
+    NOTREACHED();
+  }
+  virtual int64 GetOriginUsageOnFileThread(
+      const GURL& origin_url,
+      FileSystemType type) OVERRIDE {
+    return usage_;
+  }
+  virtual void NotifyOriginWasAccessedOnIOThread(
+      quota::QuotaManagerProxy* proxy,
+      const GURL& origin_url,
+      FileSystemType type) OVERRIDE {
+    // Do nothing.
+  }
+  virtual void UpdateOriginUsageOnFileThread(
+      quota::QuotaManagerProxy* proxy,
+      const GURL& origin_url,
+      FileSystemType type,
+      int64 delta) OVERRIDE {
+    usage_ += delta;
+    if (proxy) {
+      proxy->NotifyStorageModified(
+          quota::QuotaClient::kFileSystem,
+          origin_url,
+          FileSystemTypeToQuotaStorageType(type),
+          delta);
+    }
+  }
+  virtual void StartUpdateOriginOnFileThread(
+      const GURL& origin_url,
+      FileSystemType type) OVERRIDE {
+    // Do nothing.
+  }
+  virtual void EndUpdateOriginOnFileThread(
+      const GURL& origin_url,
+      FileSystemType type) OVERRIDE {}
+  virtual void InvalidateUsageCache(const GURL& origin_url,
+                                    FileSystemType type) OVERRIDE {
+    // Do nothing.
+  }
+
+ private:
+  int64 usage_;
+};
+
+}  // namespace
+
+TestMountPointProvider::TestMountPointProvider(
+    base::SequencedTaskRunner* task_runner,
+    const FilePath& base_path)
+    : base_path_(base_path),
+      local_file_util_(new LocalFileUtil(new NativeFileUtil())),
+      quota_util_(new TestFileSystemQuotaUtil(task_runner)) {
+}
+
+TestMountPointProvider::~TestMountPointProvider() {
+}
+
+void TestMountPointProvider::ValidateFileSystemRoot(
+    const GURL& origin_url,
+    FileSystemType type,
+    bool create,
+    const ValidateFileSystemCallback& callback) {
+  // This won't be called unless we add test code that opens a test
+  // filesystem by OpenFileSystem.
+  NOTREACHED();
+}
+
+FilePath TestMountPointProvider::GetFileSystemRootPathOnFileThread(
+    const GURL& origin_url,
+    FileSystemType type,
+    const FilePath& virtual_path,
+    bool create) {
+  DCHECK_EQ(kFileSystemTypeTest, type);
+  bool success = true;
+  if (create)
+    success = file_util::CreateDirectory(base_path_);
+  else
+    success = file_util::DirectoryExists(base_path_);
+  return success ? base_path_ : FilePath();
+}
+
+bool TestMountPointProvider::IsAccessAllowed(
+    const GURL& origin_url, FileSystemType type, const FilePath& virtual_path) {
+  return type == fileapi::kFileSystemTypeTest;
+}
+
+bool TestMountPointProvider::IsRestrictedFileName(
+    const FilePath& filename) const {
+  return false;
+}
+
+std::vector<FilePath> TestMountPointProvider::GetRootDirectories() const {
+  return std::vector<FilePath>();
+}
+
+FileSystemFileUtil* TestMountPointProvider::GetFileUtil() {
+  return local_file_util_.get();
+}
+
+FilePath TestMountPointProvider::GetPathForPermissionsCheck(
+    const FilePath& virtual_path) const {
+  return base_path_.Append(virtual_path);
+}
+
+FileSystemOperationInterface*
+TestMountPointProvider::CreateFileSystemOperation(
+    const GURL& origin_url,
+    FileSystemType file_system_type,
+    const FilePath& virtual_path,
+    FileSystemContext* context) const {
+  return new FileSystemOperation(context);
+}
+
+webkit_blob::FileReader* TestMountPointProvider::CreateFileReader(
+    const GURL& url,
+    int64 offset,
+    FileSystemContext* context) const {
+  return new FileSystemFileReader(context, url, offset);
+}
+
+FileSystemQuotaUtil* TestMountPointProvider::GetQuotaUtil() {
+  return quota_util_.get();
+}
+
+}  // namespace fileapi